Vaillant 242 eh not fireing up just power flushed my system seems like thier is no gas getting in to the chamber so the igniter can do its job, gas goes right up to that point, is there a way to checking this everything else seems to be fine just no gas to ignition area

wayne, January 2009

It would be difficult to pinpoint this fault without being there. Is the fan running? There could be a fault on the air pressure switch, tubes, flue. A Corgi Engineer would be able to check all of this, (voltages,short circuit,continuity etc) and the gas pressure/ p.c.b set-up.

ED., January 2009